[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

[vsnet-obs 18844] New Takamizawa variable (TmzV152)

New Takamizawa variable (TmzV152)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV152).

TmzV152
= GSC2391.308 045627.29 +330349.9 (2000.0) 12.12 1
= GSC2391.308 045627.40 +330349.6 (2000.0) 11.91 1
= USNO1200.02660099 045627.295 +330349.94 (2000.0) 11.3 15.2
= IRAS04531+3259 045311.5 +325911 (1950.0)
    F12=1.00  F25=0.36  F60=0.40L F100=6.92L
    VAR= 0 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 045626.8 +330352 (2000.0) IRAS04531+3259 0.966 0.351 0.400L 6.814L 0%
= 045626.8 +330352 (2000.0) SSC04531+3259 0.966 0.351 0.400L 6.814L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 12.6-13.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV152        940302.536  129p  Tmz.VSOLJ
TmzV152        940329.467  128p  Tmz.VSOLJ
TmzV152        940810.767  127p  Tmz.VSOLJ
TmzV152        941108.608  132p  Tmz.VSOLJ
TmzV152        950320.515  128p  Tmz.VSOLJ
TmzV152        950823.769  130p  Tmz.VSOLJ
TmzV152        950927.717  129p  Tmz.VSOLJ
TmzV152        951128.608  129p  Tmz.VSOLJ
TmzV152        960109.422  132p  Tmz.VSOLJ
TmzV152        960922.747  131p  Tmz.VSOLJ
TmzV152        961015.731  128p  Tmz.VSOLJ
TmzV152        961203.547  130p  Tmz.VSOLJ
TmzV152        970802.749  131p  Tmz.VSOLJ
TmzV152        971123.615  130p  Tmz.VSOLJ
TmzV152        980318.474  131p  Tmz.VSOLJ
TmzV152        980820.731  127p  Tmz.VSOLJ
TmzV152        981024.609  127p  Tmz.VSOLJ
TmzV152        981218.596  126p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

VSNET Home Page

Return to Daisaku Nogami

vsnet-adm@kusastro.kyoto-u.ac.jp